Luckily, the National Weather Service keeps track of that kind of data, and we built a chart to show you exactly how cool the nights are supposed to be in the Valley from fall through spring.
We also went a step further. This chart includes not only how cool it's supposed to be, but also how cool (or not) it actually was from September 2025 through March 2026.
We think great stories start with curious questions, and KJZZ wants to investigate your questions — big or small — from the Valley or across the state.
If you were a banker with Pioneer Bank of Arizona in the mid-1960s in Phoenix, your commute to work might include a drive up or down Central Avenue and a turn near Osborn Road.
If you’re walking around in Phoenix at this time of year, your eyes may try to trick you. From a distance, it might look like there's water on the street.
Heat kills more Americans each year than any other weather-related event. In 2025, 430 people in the Valley died from heat-related causes. But how does hot weather turn fatal?
Senior digital editor Sky Schaudt joined KJZZ in 2015. Prior to working at KJZZ, Schaudt was a digital news editor at azcentral.com for nearly a decade.
We think great stories start with curious questions, and KJZZ wants to investigate your questions — big or small — from the Valley or across the state.
If you were a banker with Pioneer Bank of Arizona in the mid-1960s in Phoenix, your commute to work might include a drive up or down Central Avenue and a turn near Osborn Road.
Dr. Kim Olson Gibbs at HonorHealth believes desert dwellers could be underestimating their risk of mosquito-borne illnesses.
If you’re walking around in Phoenix at this time of year, your eyes may try to trick you. From a distance, it might look like there's water on the street.
Heat kills more Americans each year than any other weather-related event. In 2025, 430 people in the Valley died from heat-related causes. But how does hot weather turn fatal?
